EP1207326B1 - Axial flow high pressure sliding valve - Google Patents
Axial flow high pressure sliding valve Download PDFInfo
- Publication number
- EP1207326B1 EP1207326B1 EP01890318A EP01890318A EP1207326B1 EP 1207326 B1 EP1207326 B1 EP 1207326B1 EP 01890318 A EP01890318 A EP 01890318A EP 01890318 A EP01890318 A EP 01890318A EP 1207326 B1 EP1207326 B1 EP 1207326B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axial
- valve body
- valve
- flow high
- pressure sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/262—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a transverse bore in the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/265—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a sleeve sliding in the direction of the flow line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
Definitions
- the invention relates to an axially flowed through the high-pressure slide valve with a tubular valve body with radial openings for the passage of medium in open Position of the valve, wherein the tubular valve body slidably guided in a housing in the axial direction is.
- High-pressure valves have become known in different training.
- DE 43 40 783 A1 for example, a coupling nipple for producing a pressure-tight connection between a container or a conduit and a detachable pressure-tight connectable coupling part to take which having a compressible by pressure medium valve piston.
- the training is hiebei to temperatures between -40 ° C and + 120 ° C. Especially in a temperature range up to -200 ° C during transport of liquid technical gases placed considerable demands on the seals.
- For the Filling of liquid oxygen requires seals of a special protection to the risk of burning off the seals
- leakage problems due to different material expansions not without conventional training more can be controlled.
- Such for very low Temperatures and especially temperatures of liquid Air or liquid oxygen designed valves are therefore usually with relatively expensive actuators to open and equipped to close the valves.
- Axial valves are used as switching valves, for example WO 99/08031 and as check valves for coupling nipple or fluid lines of WO 99/02907.
- the invention now aims to an axially flowed through To provide high pressure valve of the type mentioned, with which also liquid technical gases and especially liquid Oxygen safe and without danger of destruction can be filled by seals.
- the valve according to the invention consists essentially in that the valve body at an axial distance from the radial openings carrying end portion to the Axis symmetrically arranged valve cone with conical Sealing surface carries that of the radial openings bearing End portion of the tubular valve body in a sleeve with guided immersed closed ground, wherein the sleeve at the valve cone facing mantle end faces a wearing conical valve seat, which with the conical sealing surface of the valve cone cooperates, and that the seal between the Valve body and the housing is designed as a bellows seal.
- the valve body of the product flows around or flows through, the valve flows axially becomes.
- Sealing seat can be usual low temperature resistant materials get used, with a tight fit guaranteed even then is when the valve body due to the low temperatures thermally contracted or valve cone and valve seat have different temperatures.
- sliding seals independent of possibly occurring temperature gradients in the closed position a safe and sealing closure ensured by the fact that the seal between the valve body and the housing designed as a bellows seal is, such a seal regardless of different thermal expansions of housing and valve body in each Phase of the movement of the valve body to be maintained can.
- the known designs between valve body and Housing provided sliding seals may be due to different thermal stress causing problems which be avoided by the use of bellows seals.
- the Bellows seal hiebei the valve body against the Housing safe, with more between housing and valve body interposed, optionally as sealing elements trained elements merely assume a leadership role. While in known sealing guides in the deep-cold Range dew point undershoots are possible and thus the There is a risk that icing will occur in the area of the seals, are such dew point underruns in the area the guides in the present case uncritical, as these guides do not have to seal at the same time. The sealing effect is taken over in each phase of the bellows seal, so impairments also excluded when dew point falls below become.
- the invention is designed such that the valve body has a radial flange for the Attack of a, in particular fluid-operated, actuator wearing.
- a radial flange which itself, for example, can be designed as a piston and in Housing can be performed, can be in a simple way Implement fluid drive, wherein such a fluid drive with appropriate loading of the flange of both Pages can be operated in an alternating direction. It but is also possible without further training so too meet that the flange with the interposition of a spring is supported on the housing, creating a resilient return in one of the two layers of the valve at discharge the Fluid line of the actuator is made possible.
- To thermal here To minimize influences and unwanted dew point falls below to eliminate is advantageous training made such that the flange with the interposition of a thermal isolator connected to the actuator or the spring is.
- the complete sealing of the valve body relative to the housing can be designed in a simple manner so that the Valve body in the axial direction on both sides of the flange one each sealing with the valve body and the housing carrying bellows seal, preferably the housing Has relief bores in the area of the bellows seals.
- the actuator be designed so that the actuator from both sides formed of the flange acting electrochemical actuators is. In this way succeeds a particularly gentle and damped movement of the valve body even at high media pressures sure.
- the immediate admission of the Flange with fluid is the education so taken advantage of that the flange sealing in a valve body surrounding chamber is guided, to which a fluid line to axial adjustment of the valve body is connected.
- the substantially cup-shaped sleeve can in a simple Be connected to the housing, wherein for a corresponding axial passage of the medium when open Slide valve care must be taken.
- FIG. 1 shows an axial section through an inventive High-pressure slide valve and Fig. 2 shows a detail according to the arrow II of FIG. 1.
- valve body 2 in Fig. 1, the housing of a high pressure slide valve denotes, the valve body 2 as a tubular valve body is trained.
- the valve body 2 carries a radial flange-like extension 3, which on its end face 4 forms a valve cone.
- the valve body 2 has further radial openings 5, which at axial displacement of the valve body in the direction of the double arrow 6 in immerse a sleeve 7.
- the sleeve has a closed Floor 8 and a jacket 9, facing the sealing cone 4 End faces 10 are formed as valve seat surfaces.
- Liquid or gaseous medium under high pressure passes through the port not shown in the axial Direction to the valve, wherein the inlet direction denoted by 11 is.
- the medium In the open position shown in Fig. 1 of the valve, the medium passes through the tubular cavity the valve body and can through the radial openings and subsequent axial openings 12 in the direction of the arrow 13 again flow.
- the tubular valve body 2 is via guide elements 14 and 15 out in the housing, wherein between the housing 1 and the tubular valve body 2 each bellows seals 16 and 17th are arranged, so that the guide elements 14 and 15 only for guidance, but not necessarily for poetry, have to serve.
- the housing In the area of the bellows seal 16, the housing a relief hole 25 on.
- valve body formed with a radial flange 18 which over a seal 19 sealing in the manner of a piston in the housing first is guided.
- a spring 22 is compressed.
- the valve after FIG. 1 is thus in the open position when the fluid line 21 is pressureless, where, of course, the position of the spring and the fluid line 21 is reversed relative to the radial flange 18 can be.
- a modified design of the drive with four electrochemical Actuators 23 cooperate with the radial flange 18, in order in this way the axial displacement of the valve body. 2 to allow in the direction of the double arrow 6.
- Fig. 2 The designated II in Fig. 1 part is enlarged in Fig. 2 shown.
- Fig. 2 it can be seen that the radial Flange 18 of the valve body 2 is formed divided, wherein insulating between the two parts of the radial flange 18 Elements 24 are provided.
- the radial flange 18 is acted upon directly with fluid, its temperature depends on the temperature of the medium in the valve is significantly different, it succeeds in this way thermally to separate the valve body from the actuator or to isolate.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Description
Die Erfindung bezieht sich auf ein axial durchströmtes Hochdruckschieberventil mit einem rohrförmigen Ventilkörper mit radialen Durchbrechungen für den Durchtritt von Medium in geöffneter Stellung des Ventiles, wobei der rohrförmige Ventilkörper in axialer Richtung verschiebbar in einem Gehäuse geführt ist.The invention relates to an axially flowed through the high-pressure slide valve with a tubular valve body with radial openings for the passage of medium in open Position of the valve, wherein the tubular valve body slidably guided in a housing in the axial direction is.
Hochdruckventile sind in unterschiedlicher Ausbildung bekanntgeworden. Der DE 43 40 783 A1 ist beispielsweise ein Kupplungsnippel zur Herstellung einer druckdichten Verbindung zwischen einem Behälter bzw. einer Leitung und einem lösbar druckdicht anschließbaren Kupplungsteil zu entnehmen, welches einen durch Druckmedien aufdrückbaren Ventilkolben aufweist. Die Ausbildung ist hiebei auf Temperaturen zwischen -40° C und +120° C ausgelegt. Insbesondere in einem Temperaturbereich bis -200° C beim Transport von flüssigen technischen Gasen werden erhebliche Ansprüche an die Dichtungen gestellt. Für die Abfüllung von flüssigem Sauerstoff bedürfen Dichtungen eines besonderen Schutzes, um die Gefahr eines Abbrennens der Dichtungen zu verhindern, wobei weiters bei derartig tiefen Temperaturen aufgrund unterschiedlicher Materialausdehnungen Dichtheitsprobleme mit konventionellen Ausbildungen nicht ohne weiteres kontrolliert werden können. Derartige für sehr niedrige Temperaturen und insbesondere Temperaturen von flüssiger Luft oder flüssigem Sauerstoff ausgelegte Ventile sind daher in der Regel mit relativ aufwendigen Stellgliedern zum Öffnen und zum Schließen der Ventile ausgestattet.High-pressure valves have become known in different training. DE 43 40 783 A1, for example, a coupling nipple for producing a pressure-tight connection between a container or a conduit and a detachable pressure-tight connectable coupling part to take which having a compressible by pressure medium valve piston. The training is hiebei to temperatures between -40 ° C and + 120 ° C. Especially in a temperature range up to -200 ° C during transport of liquid technical gases placed considerable demands on the seals. For the Filling of liquid oxygen requires seals of a special protection to the risk of burning off the seals Furthermore, at such low temperatures leakage problems due to different material expansions not without conventional training more can be controlled. Such for very low Temperatures and especially temperatures of liquid Air or liquid oxygen designed valves are therefore usually with relatively expensive actuators to open and equipped to close the valves.
Axial durchströmte Ventile sind als Schaltventile, beispielsweise der WO 99/08031 sowie als Rückschlagventile für Kupplungsnippel oder Fluidleitungen der WO 99/02907 zu entnehmen.Axial valves are used as switching valves, for example WO 99/08031 and as check valves for coupling nipple or fluid lines of WO 99/02907.
Die Erfindung zielt nun darauf ab, ein axial durchströmtes Hochdruckventil der eingangs genannten Art zu schaffen, mit welchem auch flüssige technische Gase und insbesondere flüssiger Sauerstoff gefahrlos und ohne Gefahr einer Zerstörung von Dichtungen abgefüllt werden kann. The invention now aims to an axially flowed through To provide high pressure valve of the type mentioned, with which also liquid technical gases and especially liquid Oxygen safe and without danger of destruction can be filled by seals.
Zur Lösung dieser Aufgabe besteht das erfindungsgemäße Ventil im wesentlichen darin, daß der Ventilkörper in axialem Abstand von dem die radialen Durchbrechungen tragenden Endbereich einen zur Achse symmetrisch angeordneten Ventilkegel mit konischer Dichtfläche trägt, daß der die radialen Durchbrechungen tragende Endbereich des rohrförmigen Ventilkörpers in eine Hülse mit geschlossenem Boden eintauchend geführt ist, wobei die Hülse an der dem Ventilkegel zugewandte Mantelstirnflächen einen konischen Ventilsitz trägt, welcher mit der konischen Dichtfläche des Ventilkegels zusammenwirkt, und daß die Dichtung zwischen dem Ventilkörper und dem Gehäuse als Balgdichtung ausgebildet ist. Bei einer derartigen Ausbildung wird der Ventilkörper vom Produkt umströmt bzw. durchströmt, wobei das Ventil axial angeströmt wird. Rotationssymmetrisch zum Ventilkörper ist die Dichtfläche vorgesehen, wobei das Medium über dem rohrförmigen und damit hohl ausgebildeten Ventilkörper über radiale Bohrungen austritt und in axialer Richtung abströmt. Dadurch, daß nun das die radialen Durchbrechungen tragende Ende des rohrförmigen Ventilkörpers in eine Hülse mit geschlossenem Boden eintauchend geführt ist, kann eine dosierte und entsprechend gedrosselte Öffnungs- und Schließbewegung durch Überschleifen dieser radialen Durchbrechungen an den Rändern der Hülse und damit eine Stoßbeanspruchung des Ventiles mit Sicherheit vermieden werden, wobei die Dichtwirkung von einem gesonderten. Ventilkegel bzw. dem mit diesem Ventilkegel zusammenwirkenden konischen Ventilsitz gewährleistet ist. Für einen derartigen dichtenden Sitz können übliche tieftemperaturfeste Werkstoffe zum Einsatz gelangen, wobei ein dichter Sitz auch dann gewährleistet ist, wenn der Ventilkörper aufgrund der tiefen Temperaturen thermisch kontrahiert bzw. Ventilkegel und Ventilsitz unterschiedliche Temperaturen aufweisen. Zum Unterschied von bei bekannten Ausbildungen vorgesehenen Gleitdichtungen wird unabhängig von gegebenenfalls auftretenden Temperaturgradienten in der Schließstellung ein sicherer und dichtender Verschluß gewährleistet, wobei dadurch, daß die Dichtung zwischen dem Ventilkörper und dem Gehäuse als Balgdichtung ausgebildet ist, eine derartige Dichtung unabhängig von unterschiedlichen thermischen Ausdehnungen von Gehäuse und Ventilkörper in jeder Phase der Bewegung des Ventilkörpers aufrechterhalten werden kann. Die bei bekannten Ausbildungen zwischen Ventilkörper und Gehäuse vorgesehenen Gleitdichtungen können aufgrund unterschiedlicher thermischer Belastung Probleme bereiten, welche durch die Verwendung von Balgdichtungen vermieden werden. Die Faltenbälge dichten hiebei den Ventilkörper gegenüber dem Gehäuse sicher ab, wobei weitere zwischen Gehäuse und Ventilkörper zwischengeschaltete, gegebenenfalls als Dichtelemente ausgebildete Elemente lediglich eine Führungsfunktion übernehmen. Während bei bekannten dichtenden Führungen im tiefkalten Bereich Taupunktsunterschreitungen möglich sind und damit die Gefahr besteht, daß im Bereich der Dichtungen Vereisungen auftreten, sind derartige Taupunktsunterschreitungen im Bereich der Führungen im vorliegenden Fall unkritisch, da diese Führungen nicht gleichzeitig dichten müssen. Die Dichtwirkung wird in jeder Phase von der Balgdichtung übernommen, sodaß Beeinträchtigungen auch bei Taupunktsunterschreitungen ausgeschlossen werden.To solve this problem, the valve according to the invention consists essentially in that the valve body at an axial distance from the radial openings carrying end portion to the Axis symmetrically arranged valve cone with conical Sealing surface carries that of the radial openings bearing End portion of the tubular valve body in a sleeve with guided immersed closed ground, wherein the sleeve at the valve cone facing mantle end faces a wearing conical valve seat, which with the conical sealing surface of the valve cone cooperates, and that the seal between the Valve body and the housing is designed as a bellows seal. In such a design, the valve body of the product flows around or flows through, the valve flows axially becomes. Rotationally symmetrical to the valve body is the Sealing surface provided, wherein the medium above the tubular and thus hollow valve body via radial bores exits and flows in the axial direction. As a result of that now the radial perforations carrying end of the tubular Valve body in a sleeve with a closed bottom dipping, can be a dosed and corresponding throttled opening and closing movement by grinding this radial openings at the edges of the sleeve and thus a shock load of the valve avoided with certainty be, with the sealing effect of a separate. Poppet or cooperating with this valve cone conical valve seat is guaranteed. For such a Sealing seat can be usual low temperature resistant materials get used, with a tight fit guaranteed even then is when the valve body due to the low temperatures thermally contracted or valve cone and valve seat have different temperatures. By difference in known training provided sliding seals independent of possibly occurring temperature gradients in the closed position a safe and sealing closure ensured by the fact that the seal between the valve body and the housing designed as a bellows seal is, such a seal regardless of different thermal expansions of housing and valve body in each Phase of the movement of the valve body to be maintained can. The known designs between valve body and Housing provided sliding seals may be due to different thermal stress causing problems which be avoided by the use of bellows seals. The Bellows seal hiebei the valve body against the Housing safe, with more between housing and valve body interposed, optionally as sealing elements trained elements merely assume a leadership role. While in known sealing guides in the deep-cold Range dew point undershoots are possible and thus the There is a risk that icing will occur in the area of the seals, are such dew point underruns in the area the guides in the present case uncritical, as these guides do not have to seal at the same time. The sealing effect is taken over in each phase of the bellows seal, so impairments also excluded when dew point falls below become.
In besonders vorteilhafter Weise ist die Erfindung so ausgebildet, daß der Ventilkörper einen radialen Flansch für den Angriff eines, insbesondere fluidbetriebenen, Stellantriebes trägt. Mittels eines derartigen radialen Flansches, welcher selbst beispielsweise als Kolben ausgebildet sein kann und im Gehäuse geführt sein kann, läßt sich in einfacher Weise ein Fluidantrieb realisieren, wobei ein derartiger Fluidantrieb bei entsprechender Beaufschlagung des Flansches von beiden Seiten in alternierender Richtung betrieben werden kann. Es ist aber ohne weiteres auch möglich die Ausbildung so zu treffen, daß der Flansch unter Zwischenschaltung einer Feder am Gehäuse abgestützt ist, wodurch eine federnde Rückstellung in eine der beiden Lagen des Ventiles bei Entlastung der Fluidleitung des Stellantriebes ermöglicht wird. Um hier thermische Einflüsse zu minimieren und unerwünschte Taupunktsunterschreitungen zu eliminieren, ist mit Vorteil die Ausbildung so getroffen, daß der Flansch unter Zwischenschaltung eines thermischen Isolators mit dem Stellantrieb bzw. der Feder verbunden ist.In a particularly advantageous manner, the invention is designed such that the valve body has a radial flange for the Attack of a, in particular fluid-operated, actuator wearing. By means of such a radial flange, which itself, for example, can be designed as a piston and in Housing can be performed, can be in a simple way Implement fluid drive, wherein such a fluid drive with appropriate loading of the flange of both Pages can be operated in an alternating direction. It but is also possible without further training so too meet that the flange with the interposition of a spring is supported on the housing, creating a resilient return in one of the two layers of the valve at discharge the Fluid line of the actuator is made possible. To thermal here To minimize influences and unwanted dew point falls below to eliminate is advantageous training made such that the flange with the interposition of a thermal isolator connected to the actuator or the spring is.
Die vollständige Abdichtung des Ventilkörpers relativ zum Gehäuse kann in einfacher Weise so ausgebildet sein, daß der Ventilkörper in axialer Richtung zu beiden Seiten des Flansches je eine dichtend mit dem Ventilkörper und dem Gehäuse verbundene Balgdichtung trägt, wobei vorzugsweise das Gehäuse im Bereich der Balgdichtungen Entlastungsbohrungen aufweist.The complete sealing of the valve body relative to the housing can be designed in a simple manner so that the Valve body in the axial direction on both sides of the flange one each sealing with the valve body and the housing carrying bellows seal, preferably the housing Has relief bores in the area of the bellows seals.
Um eine sichere axiale Führung des Ventilkörpers zu gewährleisten, ist mit Vorteil die Ausbildung so getroffen, daß zwischen dem Flansch und den Balgdichtungen im Gehäuse dichtende ringförmige Führungen für den Ventilkörper angeordnet sind.To ensure a safe axial guidance of the valve body, is advantageously made the training so that between the flange and the bellows seals in the housing sealing arranged annular guides for the valve body are.
Alternativ zu einer unmittelbaren Beaufschlagung des als Kolben ausgebildeten Flansches mit Fluid kann der Stellantrieb so ausgebildet sein, daß der Stellantrieb von zu beiden Seiten des Flansches wirkenden elektrochemischen Aktoren gebildet ist. Auf diese Weise gelingt es eine besonders schonende und gedämpfte Bewegung des Ventilkörpers auch bei hohen Mediendrücken sicherzustellen. Bei unmittelbarer Beaufschlagung des Flansches mit Fluid ist die Ausbildung mit Vorteil so getroffen, daß der Flansch dichtend in einer den Ventilkörper umgebenden Kammer geführt ist, an welche eine Fluidleitung zum axialen Verstellen des Ventilkörpers angeschlossen ist.Alternatively to an immediate admission of the as Piston formed flange with fluid can be the actuator be designed so that the actuator from both sides formed of the flange acting electrochemical actuators is. In this way succeeds a particularly gentle and damped movement of the valve body even at high media pressures sure. In the immediate admission of the Flange with fluid is the education so taken advantage of that the flange sealing in a valve body surrounding chamber is guided, to which a fluid line to axial adjustment of the valve body is connected.
Die im wesentlichen topfförmig ausgebildete Hülse kann in einfacher Weise mit dem Gehäuse verbunden werden, wobei für einen entsprechenden axialen Durchtritt des Mediums bei geöffnetem Schieberventil Sorge getragen werden muß. Mit Vorteil ist hiebei die Ausbildung so getroffen, daß die Hülse mit geschlossenem Boden in einer mit dem Gehäuse verbundenen Scheibe angeordnet ist, welche radial außerhalb des Mantels der Hülse axiale Durchbrechungen aufweist. The substantially cup-shaped sleeve can in a simple Be connected to the housing, wherein for a corresponding axial passage of the medium when open Slide valve care must be taken. With advantage is hiebei the training made so that the sleeve with closed Floor arranged in a disc connected to the housing which is radially outside the shell of the sleeve having axial openings.
Die Erfindung wird nachfolgend anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispieles näher erläutert. In dieser zeigen Fig. 1 einen Axialschnitt durch ein erfindungsgemäßes Hochdruckschieberventil und Fig. 2 ein Detail entsprechend dem Pfeil II der Fig. 1.The invention will be described below with reference to the drawing schematically illustrated embodiment explained in more detail. 1 shows an axial section through an inventive High-pressure slide valve and Fig. 2 shows a detail according to the arrow II of FIG. 1.
In Fig. 1 ist mit 1 das Gehäuse eines Hochdruckschieberventiles
bezeichnet, dessen Ventilkörper 2 als rohrförmiger Ventilkörper
ausgebildet ist. Der Ventilkörper 2 trägt einen radialen
flanschartigen Fortsatz 3, welcher an seiner Stirnfläche
4 einen Ventilkegel ausbildet. Der Ventilkörper 2 weist
weiters radiale Durchbrechungen 5 auf, welche bei axialer Verschiebung
des Ventilkörpers in Richtung des Doppelpfeiles 6 in
eine Hülse 7 eintauchen. Die Hülse weist einen geschlossenen
Boden 8 und einen Mantel 9 auf, dessen dem Dichtkegel 4 zugewandte
Stirnflächen 10 als Ventilsitzflächen ausgebildet sind.
Bei axialer Verschiebung des Ventilkörpers in Richtung des
Doppelpfeiles 6 können somit die konische Dichtfläche des Ventilkegels
4 und die Sitzfläche 10 in dichtenden Kontakt gebracht
werden, wobei in dieser eingeschobenen Position die radialen
Durchbrechungen 5 von den Kanten des Mantels 9 der
Hülse 7 überschliffen sind.In Fig. 1, 1, the housing of a high pressure slide valve
denotes, the
Flüssiges oder gasförmiges unter hohem Druck stehendes Medium
gelangt über den nicht näher dargestellten Anschluß in axialer
Richtung zum Ventil, wobei die Einlaßrichtung mit 11 bezeichnet
ist. In der in Fig. 1 dargestellten geöffneten Position
des Ventiles tritt das Medium durch den rohrförmigen Hohlraum
des Ventilkörpers hindurch und kann über die radialen Durchbrechungen
und nachfolgende axiale Durchbrechungen 12 in Richtung
des Pfeiles 13 wiederum abströmen.Liquid or gaseous medium under high pressure
passes through the port not shown in the axial
Direction to the valve, wherein the inlet direction denoted by 11
is. In the open position shown in Fig. 1
of the valve, the medium passes through the tubular cavity
the valve body and can through the radial openings
and subsequent
Der rohrförmige Ventilkörper 2 ist über Führungselemente 14
und 15 im Gehäuse geführt, wobei zwischen Gehäuse 1 und dem
rohrförmigen Ventilkörper 2 jeweils Balgdichtungen 16 und 17
angeordnet sind, sodaß die Führungselemente 14 und 15 lediglich
zur Führung, nicht aber notwendigerweise zur Dichtung,
dienen müssen. Im Bereich der Balgdichtung 16 weist das Gehäuse
eine Entlastungsbohrung 25 auf.The
Zwischen den beiden Balgdichtungen 16 und 17 ist der Ventilkörper
mit einem radialen Flansch 18 ausgebildet, welcher über
eine Dichtung 19 dichtend nach Art eines Kolbens im Gehäuse 1
geführt ist. Wenn der Raum 20 des Gehäuses 1 über eine Fluidleitung
21 mit Druckmittel beaufschlagt wird, kann der radiale
Flansch 18 entsprechend in Richtung des Doppelpfeiles 6 aufwärtsbewegt
werden, wobei in diesem Falle bei der Darstellung
nach Fig. 1 eine Feder 22 komprimiert wird. Das Ventil nach
Fig. 1 ist somit bei druckloser Fluidleitung 21 in der Offenstellung,
wobei selbstverständlich die Position der Feder und
der Fluidleitung 21 relativ zum radialen Flansch 18 vertauscht
werden kann.Between the two
An der der Feder 22 diametral gegenüberliegenden Stelle des
Hochdruckschieberventiles ist in Fig. 1 eine abgewandelte Ausbildung
des Antriebes ersichtlich, wobei hier vier elektrochemische
Aktoren 23 mit dem radialen Flansch 18 zusammenwirken,
um auf diese Weise die axiale Verschiebung des Ventilkörpers 2
in Richtung des Doppelpfeiles 6 zu ermöglichen.At the
Das in Fig. 1 mit II bezeichnete Teil ist in Fig. 2 vergrößert
dargestellt. In Fig. 2 ist ersichtlich, daß der radiale
Flansch 18 des Ventilkörpers 2 geteilt ausgebildet ist, wobei
zwischen den beiden Teilen des radialen Flansches 18 isolierende
Elemente 24 vorgesehen sind. Insbesondere dann, wenn der
radiale Flansch 18 unmittelbar mit Fluid beaufschlagt wird,
dessen Temperatur von der Temperatur des Mediums im Ventil
wesentlich verschieden ist, gelingt es auf diese Art und Weise
den Ventilkörper vom Stellantrieb thermisch zu trennen bzw. zu
isolieren.The designated II in Fig. 1 part is enlarged in Fig. 2
shown. In Fig. 2 it can be seen that the
Claims (10)
- An axial-flow high-pressure sliding valve including a tubular valve body (2) having radial openings (5) for the passage of medium in the opened position of the valve, said tubular valve body (2) being guided in a casing (1) so as to be displaceable in the axial direction, characterized in that the valve body (2), at an axial distance from the end region carrying the radial openings (5), carries a valve cone (4) arranged symmetrically with respect to the axis and having a conical sealing surface, that the end region of the tubular valve body (2), which carries the radial passages (5) is guided so as to reach into a sleeve (7) having a closed bottom (8), wherein the sleeve (7), on its jacket end face facing the valve cone (4), carries a conical valve seat (10) cooperating with the conical sealing surface of the valve cone (4), and that the seal provided between the valve body (2) and the casing (1) is designed as a bellows seal.
- An axial-flow high-pressure sliding valve according to claim 1, characterized in that the valve body (2) carries a radial flange (18) for the application of an actuating drive and, in particular, fluid-operated actuating drive.
- An axial-flow high-pressure sliding valve according to claim 2, characterized in that the valve body (2) carries on both sides of the flange (18), viewed in the axial direction, one bellows seal (16, 17) each, which is sealingly connected with the valve body (2) and the casing (1).
- An axial-flow high-pressure sliding valve according to claim 2 or 3, characterized in that the flange (18) is supported on the casing (1) with a spring (22) being interposed.
- An axial-flow high-pressure sliding valve according to any one of claims 2 to 4, characterized in that the flange (18) is connected to the actuating drive and spring (22), respectively, with a thermal insulator (24) being interposed.
- An axial-flow high-pressure sliding valve according to any one of claims 1 to 5, characterized in that the casing (1) comprises relief bores (25) in the region of the bellows seals (16, 17).
- An axial-flow high-pressure sliding valve according to any one of claims 2 to 6, characterized in that annular sealing guides (14, 15) for the valve body (2) are arranged in the casing (1) between the flange (18) and the bellows seals (16, 17).
- An axial-flow high-pressure sliding valve according to any one of claims 1 to 7, characterized in that the sleeve (7) having a closed bottom (8) is arranged in a disc connected with the casing (1) and including axial openings (12) radially outside the jacket (9) of the sleeve (7).
- An axial-flow high-pressure sliding valve according to any one of claims 2 to 8, characterized in that the flange (18) is sealingly guided in a chamber surrounding the valve body (2) and to which a fluid duct is connected for the axial displacement of the valve body (2).
- An axial-flow high-pressure sliding valve according to any one of claims 2 to 8, characterized in that the actuating drive is comprised of electrochemical actuators (23) acting on both sides of the flange (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT01890318T ATE268880T1 (en) | 2000-11-15 | 2001-11-14 | AXIAL FLOW HIGH PRESSURE SLIDE VALVE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0084200U AT4708U1 (en) | 2000-11-15 | 2000-11-15 | AXIAL FLOWED HIGH PRESSURE VALVE |
| AT84200U | 2000-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1207326A1 EP1207326A1 (en) | 2002-05-22 |
| EP1207326B1 true EP1207326B1 (en) | 2004-06-09 |
Family
ID=3501014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01890318A Expired - Lifetime EP1207326B1 (en) | 2000-11-15 | 2001-11-14 | Axial flow high pressure sliding valve |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1207326B1 (en) |
| AT (2) | AT4708U1 (en) |
| DE (1) | DE50102523D1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6955331B2 (en) | 2002-10-31 | 2005-10-18 | Danfoss A/S | Axial valve |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10214759A1 (en) * | 2002-04-03 | 2003-10-16 | Lactec Ges Fuer Moderne Lackte | Valve |
| DE10357845B4 (en) * | 2003-12-11 | 2008-11-27 | Bernd Engemann | Shut-off device for guided by a flow channel media, in particular liquids |
| DE102014100530A1 (en) * | 2014-01-17 | 2015-07-23 | Alfred Kärcher Gmbh & Co. Kg | Switch valve device and high-pressure liquid system comprising a switching valve device |
| DE202016006765U1 (en) * | 2016-11-05 | 2018-02-06 | Martin Rolf Wagner | Pipe valve Coax-Hahn |
| IT202200002948A1 (en) * | 2022-02-17 | 2023-08-17 | Orion Spa | AXIAL VALVE |
| CN114704645B (en) * | 2022-04-20 | 2023-12-01 | 浙江良精阀门有限公司 | Low-temperature stop valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2703150B1 (en) * | 1993-03-23 | 1995-06-16 | Erca | DOSING DEVICE, PARTICULARLY FOR VISCOUS PRODUCTS. |
| CH688833A5 (en) * | 1993-05-19 | 1998-04-15 | Fischer Georg Rohrleitung | Valve. |
| DE29713878U1 (en) * | 1997-08-04 | 1998-09-24 | Weh Gmbh, Verbindungstechnik, 89257 Illertissen | Switching valve |
-
2000
- 2000-11-15 AT AT0084200U patent/AT4708U1/en not_active IP Right Cessation
-
2001
- 2001-11-14 AT AT01890318T patent/ATE268880T1/en active
- 2001-11-14 DE DE50102523T patent/DE50102523D1/en not_active Expired - Lifetime
- 2001-11-14 EP EP01890318A patent/EP1207326B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6955331B2 (en) | 2002-10-31 | 2005-10-18 | Danfoss A/S | Axial valve |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE268880T1 (en) | 2004-06-15 |
| EP1207326A1 (en) | 2002-05-22 |
| DE50102523D1 (en) | 2004-07-15 |
| AT4708U1 (en) | 2001-10-25 |
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